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Critical thinking is skills that must trained from basic education because can give a good effect and benefit the higher education, while learning results obtained by students during follow lessons schools. The research objective is analyze impact Problem Based Learning model on thinking skills critical and learning outcomes in Social Sciences 4 th grade students in Elementary School of Islam Nurul Hikmah Lebakadi village Sugio district, Lamongan regency. The research is quantitative experiment using Quasi Experimental Design model. The results showed significant influence between Problem Based Learning model on thinking skills critical and learning outcomes in Social Sciences 4 th grade students in Elementary School of Islam Nurul Hikmah Lebakadi village Sugio district, Lamongan regency. The effect is also to prove that Problem Based Learning model is very effectively applied to learning process of Social Sciences at the Elementary School level.
Setyono et al. (Mon,) studied this question.